Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Nest Learning Thermostat 2nd Generation LCD Screen Replacement Replacing the LCD is necessary if screen is not working on the thermostat.
Written By: Justin Curry
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 1 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
INTRODUCTION The replacement of the LCD screen is not difficult. The tools need to replace it are the plastic opening tools.
TOOLS: Phillips #0 Screwdriver (1) iFixit Opening Tools (1) Tweezers (1)
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 2 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 1 — Removal from Wall
Grasp the display's metal outer ring with your fingers and pull directly away from the wall.
Step 2 — Open Display
© iFixit — CC BY-NC-SA
www.iFixit.com
Turn the display over.
Remove the four 6 mm screws from the back of the display using a #0 Phillips screwdriver.
Page 3 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 3 — Remove the back of the display
Pinch the grey 20-pin connector with your fingers and pull directly away from the display.
Do NOT pull too far as there is a ribbon on the back panel connecting the 20-pin connector to the display.
Step 4 — Disconnect the base connection ribbon cable.
Locate the blue pull tab at the end of the ribbon which says, "1. Pull".
Grasp the tab with your fingers and pull directly away from the motherboard.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 4 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 5 — Lift battery from the base
Locate the blue tab which says, "2. Pull".
Use tweezers to pull the battery up and away from the display.
Do NOT pull too far, as the battery is still connected to the motherboard and must be unplugged.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 5 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 6 — Disconnect the battery from the motherboard
Locate the blue tab which says "3 unplug".
Grasp the battery with your fingers. Pull gently directly away from the display to unplug the battery from the motherboard.
Step 7 — Remove battery from the display
Grasp the battery with your fingers and pull directly away from motherboard to separate the battery from the display.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 6 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 8 — Locate auto-away sensor
Locate the auto-away sensor.
Step 9 — Remove screws
Remove the four 3mm screws with a #0 Phillips screwdriver.
Remove the one 4mm screw located at the edge of the auto-away sensor. Use a #0 Phillips screwdriver.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 7 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 10 — Remove auto-away sensor
Lift the auto-away sensor from motherboard using tweezers.
Peel the copper foil gently from the EMI shield.
Step 11 — Remove screw from motherboard
© iFixit — CC BY-NC-SA
www.iFixit.com
Remove one 4 mm screw from the motherboard using a #0 Phillips screwdriver.
Page 8 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 12 — Remove EMI shield from motherboard
Remove the EMI shield from the motherboard using the plastic opening tools.
Step 13 — Disconnect the LCD ribbon from the motherboard
Unsnap the LCD ribbon from the motherboard gently using the tweezers.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 9 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 14 — Disconnect display from motherboard
Locate the black tabs that hold the display to the motherboard.
Push the black tabs gently away from the motherboard using the plastic opening tools.
Step 15 — Remove from motherboard
Pull the face display gently away from the motherboard.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 10 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 16 — Remove bottom of display frame
The front of the glass display and plastic frame is held together by only light adhesive.
Push the crescent shape bottom of the display away from the plastic frame using the plastic opening tools.
Step 17
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www.iFixit.com
Pry the front glass and plastic frame apart gently using the plastic opening tools.
Page 11 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 18 — Remove LCD screen from plastic frame
Pry the LCD screen gently from the plastic frame using the plastic opening tools.
Step 19 — Separate LCD from frame
Pull the LCD screen away from the plastic frame gently using your fingers.
To reassemble your device, follow these instructions in reverse order. This document was last generated on 2017-06-25 04:52:59 AM.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 12 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement Replacing the LCD is necessary if screen is not working on the thermostat.
Written By: Justin Curry
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 1 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
INTRODUCTION The replacement of the LCD screen is not difficult. The tools need to replace it are the plastic opening tools.
TOOLS: Phillips #0 Screwdriver (1) iFixit Opening Tools (1) Tweezers (1)
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 2 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 1 — Removal from Wall
Grasp the display's metal outer ring with your fingers and pull directly away from the wall.
Step 2 — Open Display
© iFixit — CC BY-NC-SA
www.iFixit.com
Turn the display over.
Remove the four 6 mm screws from the back of the display using a #0 Phillips screwdriver.
Page 3 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 3 — Remove the back of the display
Pinch the grey 20-pin connector with your fingers and pull directly away from the display.
Do NOT pull too far as there is a ribbon on the back panel connecting the 20-pin connector to the display.
Step 4 — Disconnect the base connection ribbon cable.
Locate the blue pull tab at the end of the ribbon which says, "1. Pull".
Grasp the tab with your fingers and pull directly away from the motherboard.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 4 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 5 — Lift battery from the base
Locate the blue tab which says, "2. Pull".
Use tweezers to pull the battery up and away from the display.
Do NOT pull too far, as the battery is still connected to the motherboard and must be unplugged.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 5 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 6 — Disconnect the battery from the motherboard
Locate the blue tab which says "3 unplug".
Grasp the battery with your fingers. Pull gently directly away from the display to unplug the battery from the motherboard.
Step 7 — Remove battery from the display
Grasp the battery with your fingers and pull directly away from motherboard to separate the battery from the display.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 6 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 8 — Locate auto-away sensor
Locate the auto-away sensor.
Step 9 — Remove screws
Remove the four 3mm screws with a #0 Phillips screwdriver.
Remove the one 4mm screw located at the edge of the auto-away sensor. Use a #0 Phillips screwdriver.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 7 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 10 — Remove auto-away sensor
Lift the auto-away sensor from motherboard using tweezers.
Peel the copper foil gently from the EMI shield.
Step 11 — Remove screw from motherboard
© iFixit — CC BY-NC-SA
www.iFixit.com
Remove one 4 mm screw from the motherboard using a #0 Phillips screwdriver.
Page 8 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 12 — Remove EMI shield from motherboard
Remove the EMI shield from the motherboard using the plastic opening tools.
Step 13 — Disconnect the LCD ribbon from the motherboard
Unsnap the LCD ribbon from the motherboard gently using the tweezers.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 9 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 14 — Disconnect display from motherboard
Locate the black tabs that hold the display to the motherboard.
Push the black tabs gently away from the motherboard using the plastic opening tools.
Step 15 — Remove from motherboard
Pull the face display gently away from the motherboard.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 10 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 16 — Remove bottom of display frame
The front of the glass display and plastic frame is held together by only light adhesive.
Push the crescent shape bottom of the display away from the plastic frame using the plastic opening tools.
Step 17
© iFixit — CC BY-NC-SA
www.iFixit.com
Pry the front glass and plastic frame apart gently using the plastic opening tools.
Page 11 of 12
Nest Learning Thermostat 2nd Generation LCD Screen Replacement
Step 18 — Remove LCD screen from plastic frame
Pry the LCD screen gently from the plastic frame using the plastic opening tools.
Step 19 — Separate LCD from frame
Pull the LCD screen away from the plastic frame gently using your fingers.
To reassemble your device, follow these instructions in reverse order. This document was last generated on 2017-06-25 04:52:59 AM.
© iFixit — CC BY-NC-SA
www.iFixit.com
Page 12 of 12
